What is the purpose of eyelids on amphibians?
a.)hide from predators
b.)keep the eyes moist
c.)see more clearly
d.)none of the above
i think its c. for water purposes but i really don't know.

An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?

Which of the following typically characterizes a tropical rainforests

Compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.